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①看着老师 ②擦黑板 ③合上书本
①Close the door, please. A.请打开书
②Turn on the TV, please. B.请关上门.
③Open the book, please. C.请关掉电灯.
④Turn off the light, please. D.请打开电视.
His teacher is in the . He is playing football with his pupils.
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